I'm digitizing the RCA Victor 78s set of Alexander Kipnis singing
Boris Godunov (abridged). It's catalog number is DM 1000. Does
anyone know in which year that was pressed?
Two library cataloguing records indicate the date of issue as 1945.
In addition, it was advertised on page 37 of the September 3, 1945
issues of Life magazine. Here is the link for Google's digitalization
of the ad:
(click on "page 37" to see the full advertisement)